地理学报
Field Survey on Water Erosion of the Rural Settlements in the Loess Hilly-gully Area of Northern Shaanxi Province
GAN Zhimao, YUE Dapeng, GAN Rui, ZHA Xiaochun
Acta Geographica Sinica . 2005, (3): 519 -525 .  DOI: 10.11821/xb200503019